| 22 | namespace utils { |
| 23 | |
| 24 | std::string CardinalToOrdinal(size_t cardinal) { |
| 25 | const size_t mod10 = cardinal % 10; |
| 26 | const size_t mod100 = cardinal % 100; |
| 27 | std::string suffix; |
| 28 | if (mod10 == 1 && mod100 != 11) |
| 29 | suffix = "st"; |
| 30 | else if (mod10 == 2 && mod100 != 12) |
| 31 | suffix = "nd"; |
| 32 | else if (mod10 == 3 && mod100 != 13) |
| 33 | suffix = "rd"; |
| 34 | else |
| 35 | suffix = "th"; |
| 36 | |
| 37 | return ToString(cardinal) + suffix; |
| 38 | } |
| 39 | |
| 40 | std::pair<std::string, std::string> SplitFlagArgs(const std::string& flag) { |
| 41 | if (flag.size() < 2) return make_pair(flag, std::string()); |